@jeremyszu Take a look at this: https://bugs.launchpad.net/sutton/+bug/1996502, they are quite alike.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1997005 Title: Cannot output displays by connecting dual monitor via HP Docking Status in Linux: New Status in OEM Priority Project: New Status in linux package in Ubuntu: New Bug description: [Summary] Connect USB-C to HDMI monitor to USB-C display port and 4K DP monitor to DP port on docking, the external monitors cannot display. Note: 1. Single 4K UHD montior on DP port can output successfully on docking. 2. Single FHD monitor with USB-C to HDMI adapter on USB-C displayport can output successfully on docking. [Steps to reproduce] 1. Poweroff the system and plug docking station to the system 2. Boot up system from docking power button 3. Connect external display with USB-C to HDMI adapter to the USB-C display port on docking 4. Connect 4K UHD monitor with DP cable to DP port on docking station 5. Check the displays. [Expected result] Can output display successfully when the system connects to the dual monitor. [Actual result] Cannot output external displays by connecting USB-C to HDMI on USB-C display port and DP monitor to DP port on docking station. [Failure rate] 1/1 [Additional information] SKU: Alder SKU2(T1000), Alder SKU12(RTX4000) system-manufacturer: HP system-product-name: HP ZBook Fury 17 G7 Mobile Workstation bios-version: S92 Ver. 01.06.00 CPU: Intel(R) Core(TM) i5-10400H CPU @ 2.60GHz (8x) GPU: 00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:9bc4] (rev 05) 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:1fb9] (rev a1) kernel-version: 5.10.0-1034-oem To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1997005/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp